免費工程工具 #058
軸承壓配合力計算器
估算理想化同材質實心軸與厚壁配合套圈之間的軸向滑動力。此為拉梅模型估算值，非軸承製造商之裝配力數據。
結果
接觸面壓力（拉梅）
壓入配合力
- μ — 針對實際介面驗證之滑動摩擦係數
- δ — 徑向過盈量（軸外徑 − 環內徑）
- d — 名義介面直徑
- Dr — 配合厚環之實際外材邊界，非整體軸承外徑
- E — 此特例方程式中軸與環共用之楊氏模數
熱裝替代方案
ℹ️ 熱計算結果僅為 ΔTmin = δ/(αd)，即內徑恰好膨脹至過盈量之均勻溫升。此值未提供組裝間隙，且忽略傳導至軸之熱損失。請加入工程間隙餘量，並遵循元件製造商允許之加熱方法與溫度上限。
實務範例
k = 50/80 = 0.625
p = 210000 × 0.018 / (2 × 50) × (1 − 0.625²) = 23.03 MPa
F = 23.03 × π × 50 × 18 × 0.10 / 1000 = 6.51 kN (0.66 tf)
⚠️ 關鍵注意事項： 將軸承壓裝至軸上時，力僅能施加於內圈。切勿透過滾動體傳力，否則會造成壓痕損傷。
For the stated same-material solid-shaft/thick-ring elastic model, interface pressure comes from Lamé compliance and F = p × π × d × L × μ.
Dr must be the outer material boundary of the fitted ring itself, not the outside diameter of an assembled rolling bearing.
Use a value validated for the actual material pair, finish, lubricant, speed and pressure. Force is directly proportional to μ, so generic oiled/dry labels are insufficient for press sizing.
It is only δ/(αd): the uniform temperature rise that expands the bore by exactly the interference. It includes no assembly clearance or heat-loss allowance. Follow manufacturer limits.
No. Entry geometry, breakaway friction, misalignment, roughness, plasticity and edge effects are omitted. Apply an engineering process allowance backed by actual data.
Yes — apply mounting force only to the ring with the interference fit. Do not transmit mounting force through the rolling elements; use the bearing manufacturer’s mounting instructions.
本頁所述的操作流程由 Vibromera 團隊使用 Balanset-1A（一款用於現場轉子平衡的便攜式雙通道動平衡儀及振動分析儀）開發並經過實地測試。
用於軸承狀態監測的專業振動分析儀。已應用於 50 多個國家。
